import { v4 as uuidv4 } from 'uuid'

export const getUUID = () => {
  let uuid_token = localStorage.getItem('UUIDTOKEN');
  if (!uuid_token) {//没有的话就生成
    uuid_token = uuidv4();
    localStorage.setItem('UUIDTOKEN', uuid_token);
  }
  return uuid_token
}